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Report Cites Design and Structural Faults as Cause of Paris Airport Collapse
International News • February 16, 2005
Both structural and design faults caused a large section of the newly constructed Terminal 2E at Paris' Charles de Gaulle airport to collapse last May, killing 4 people and injuring 3.
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| Subject | Posted By | Posted On |
|---|---|---|
| RE: RE: de Gaulle Airport Collpse - Fundamental Design Blund | Alan M Dransfield | Feb 26, 2005, 1:51 pm |
| RE: RE: de Gaulle Airport Collpse - Fundamental Design Blund | Dr. Michael Hogan. P. Eng. | Feb 18, 2005, 10:37 am |
| RE: de Gaulle Airport Collpse - Fundamental Design Blunder. | Dr. Doug Shamanon | Feb 18, 2005, 9:22 am |
| de Gaulle Airport Collpse - Fundamental Design Blunder. | Dr. Michael Hogan, P. Eng. | Feb 16, 2005, 2:05 pm |
| de Gaulle Aiport Collapse - Inquiry is misleading | Dr. Michael Hogan. P. Eng. | Feb 16, 2005, 5:00 am |
| Back to article | ||
Subject: de Gaulle Aiport Collapse - Inquiry is misleading
In lay terms:
The eccentricity of the load causes an increase in the bending stresses,
which causes more eccentricity of the load,
which causes more bending stresses, and so on,
until the structure collapses.
The Inquiry Commission described this mechanism clearly as progressive collapse through weakening of the structure, but failed to identify it as the overwhelming cause.
Instead, the Commission clouded the issue with a number of items that were inconsequential: cold weather (4.1C is NOT cold), under-reinforcing (the sudden collapse with a "bang" contradicts that theory) and weakened concrete (the concrete was over-stressed, not weak or weakened).
Dr. Michael Hogan, P. Eng.
Hogan & Greenfield
Toronto, Canada.